Litetronics MicroBrite MB-310 - 3 Watt CFL Light Bulb - Compact Fluorescent - A-Shape - 20 W Equal - 2700K Warm White - Min. Start Temp. 5 Deg. F - 82 CRI - 43 Lumens per Watt - 2 Year Warranty Color/Finish: Clear Color Temperature: 2,700K Average Lifetime: 25000 hours Lumens (light output): 130 CRI: 82